TM-5-4210-249-13-P-1

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 1 OF 4

TM-5-4210-249-13-P-1 - Page 968 of 1188

TM 5-4210-249-13&P-1

0115-22

DRAFT

0115

TFFT04172

Step 37.

While an assistant pushes and holds pump operator’s panel PUMP PRIMER switch to

ON position (WP 0004), check for 22 to 28 VDC between pump house wire 1590 (red)

at pump prime primer valve control solenoid and a known good ground.

If 22 to 28 VDC are not present, go to Step 39.

Step 38.

Turn battery disconnect switch to OFF position (WP 0007).

Check for continuity across

pump house wire 1640 (black) from pump prime primer valve control solenoid terminal

to a known good ground.

a.

If continuity is present, replace pump prime primer valve control

solenoid (WP 0266).

b.

If continuity is not present, repair wire 1640 in pump house wire

harness if repairable (TM 9-2320-325-14&P), or replace pump house

wire harness (WP 0458).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION